Vacuum cleaner



FIG. 1 is a front perspective view of a vacuum cleaner showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image of FIG. 3 ;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the figures are for the purposes of illustrating portions of the vacuum cleaner, which form no part of the claimed design. 

CLAIM The ornamental design for a vacuum cleaner, as shown and described. 